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Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	On the contrary if exchange is a mechanism by which that expenditure of labour is assessed according to its value to society, as socially necessary, then the prices of commodities must tend to deviate from their ???values???.
http://www.w3.org/ns/prov#wasQuotedFrom	marxists.org